thanks for you answer Mr. senthil kumar.. i have been connected my laptop to GSM modem, have write a code for connected port and database.. but really doesnt work… i can you help me to solve this problem.. iam sorrr, im newbie… thanks before…

what if the user press the hardware button without sending the message. I need to know if there is anything that confirm that the message is send from the phone. Or how to intimate the user that sending message is required.